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*					1) P. JIA, 2D Statistical Models, Technical Report of Vision Open Working Group,	*
*					2st Edition, October 21, 2010. 														*
*					http://www.visionopen.com/members/jiapei/publications/pei_sm2dreport2010.pdf		*
* 					2) P. JIA. Audio-visual based HMI for an Intelligent Wheelchair. PhD thesis,		*
* 					University of Essex, February, 2011.												*
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*					Manchester, March 8, 2004.															*
*					http://www.isbe.man.ac.uk/~bim/Models/app_models.pdf								*
*					4) I. Matthews and S. Baker. Active appearance models revisited. International 		*
*					Journal of Computer Vision, 60(2):135–164, November 2004.							*
*					http://www.ri.cmu.edu/pub_files/pub4/matthews_iain_2004_2/matthews_iain_2004_2.pdf	*
*					5) M. B. Stegmann, Active Appearance Models: Theory, Extensions and Cases,			*
*					http://www2.imm.dtu.dk/~aam/main/, 2000												*
* 																										*
* Version:          0.3.2                                                     							*
* Author:           JIA Pei                                                 							*
* Contact:          jp4work@gmail.com                                       							*
* URL:              http://www.visionopen.com                               							*
* Create Date:      2010-11-04                                             								*
* Revise Date:      2010-08-04                                             								*
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#ifndef __LOCALIZATIONALGS_H__
#define __LOCALIZATIONALGS_H__

#include <cstring>
#include "opencv/cv.h"
#include "opencv/highgui.h"
#include "../cvcommon/VO_CVCommon.h"

#include "detectionalgs.h"
#include "trackingalgs.h"


using namespace std;
using namespace cv;


/** 
 * @author		JIA Pei
 * @brief		Object localization algorithms, currently, 
 * 				can deal with only 1 concerned object but not for multiple objects.
 */
class CLocalizationAlgs
{
protected:
	/** Original localized face rectangle */
	Rect 						m_CVLocalizedObjectRect;

	/** Whether the objects is localized */
    bool                		m_bObjectLocalized;

	/** The detection algorithm */
	CDetectionAlgs				m_detectionAlgs;

	/** The tracking algorithm */
	CTrackingAlgs				m_trackingAlgs;

	/** Initialization */
	void						init(const string& str, unsigned int detectionMtd, unsigned int trackingMtd);

public:
	enum {DETECTIONONLY = 0, DETECTIONTRACKING = 1};

	CLocalizationAlgs(	const string& str="",
						unsigned int detectionMtd=VO_AdditiveStrongerClassifier::BOOSTING,
						unsigned int trackingMtd=CTrackingAlgs::CAMSHIFT);
	~CLocalizationAlgs();

	void						SetConfiguration(const string& str, unsigned int detectionMtd, unsigned int trackingMtd)
	{
								this->m_detectionAlgs.SetConfiguration(str, detectionMtd);
								this->m_trackingAlgs.SetConfiguration(trackingMtd);
	}
	
	double						Localization(	const Mat& img,
												Size smallSize = Size(FACESMALLESTSIZE, FACESMALLESTSIZE),
												Size bigSize = Size(FACEBIGGESTSIZE, FACEBIGGESTSIZE) );

	static double				Localization(	const Mat& img,
												CDetectionAlgs& detectAlg,
												CTrackingAlgs& trackAlg,
												bool& isTracked,
												Rect& objPos,
												const Size& size1,
												const Size& size2);

	/** Draw all detected objects on the image */
	void                        VO_DrawLocalization(Mat& ioImg, Scalar color = colors[6]);

	/** Is object detected? */
	bool						IsObjectLocalized() const {return this->m_bObjectLocalized; }
	
	/** Return localized object */
	Rect 						GetLocalizedObjectRect () const { return this->m_CVLocalizedObjectRect; }
};

#endif	// __LOCALIZATIONALGS_H__
